/Engine/Source/Runtime/Slate/Public/Framework/Application/SlateApplication.h
Attempt to locate a menu that contains the specified widget
the menu in which the widget resides, or nullptr
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IMenu](API\Runtime\Slate\Framework\Application\IMenu) > FindMenuInWidgetPath ( const [FWidgetPath](API\Runtime\SlateCore\Layout\FWidgetPath) & InWidgetPath ) const